參數(shù)資料
型號(hào): LSIFC919
英文描述: LSIFC919 Single Channel Fibre Channel I/O Processor technical manual v2.0 10/01
中文描述: LSIFC919單通道光纖通道I / O處理器技術(shù)手冊(cè)2.0 10/01
文件頁數(shù): 87/144頁
文件大?。?/td> 1496K
代理商: LSIFC919
Shared Memory
5-31
Register: 0x50
Host Index
Read/Write
The
Host Index
register is used with the Outbound Reply Option
(AltReplyPost method) to enable host resident reply post queues. The
Host Index provides an indication of which Reply Post MFA the host has
processed and is used to generate Reply Interrupts when the
AltReplyPost option is enabled.
R
Reserved (Read Only)
Reserved for future use.
[31:14]
HIVal
Host Index Value (Read/Write)
[13:0]
5.8 Shared Memory
The host writes Request Message Frames into a region of Shared
Memory (LSIFC909 local memory mapped to System Addresses). This
is the default method (PUSH model) for Request Message Frame
transport, where the host itself copies the Request Message Frame into
the LSIFC909 local memory. The total size of Shared Memory is
configured by the IOP on reset. Supported values are 32 Kbytes,
64 Kbytes, 128 Kbytes (default), 256 Kbytes, and 512 Kbytes. Shared
memory is accessible only through Mem0 space starting at address
0x80.
31
16
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
0
R
HIVal
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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